*{
    margin: 0;
    padding: 0;
}
.block{
    border: 1px solid black;
    width: 100%;
    height: auto;
}
.title{
    width: 100%;
    height: 40px;
    background-color: #F3F3F3;
}
.title>span:nth-child(1){
    float: left;
}
.title>span:nth-child(2){
    float: right;
}
.title>span:nth-child(3){
    float: right;
}
.title>span:nth-child(3):hover{
    cursor: pointer;
}
.bannerblock>img{
    width: 100%;
    height: 100%;
}
.choose{
    width: 100%;
    height: 50px;
}
.choose>span{
    border: 1px solid silver;
    width: 40px;
    line-height: 50px;
    text-align: center;
    margin-left: 10px;
    padding: 5px 10px;
}
.choose>span:nth-child(1){
    font-size: 1.1em;
    margin-left: 30px;
}
.choose>span:nth-child(2):hover{
    cursor: pointer;
}
.choose>span:nth-child(3):hover{
    cursor: pointer;
}
.choose>span:nth-child(4):hover{
    cursor: pointer;
}
.showproduct{
    width: 100%;
    height: auto;
    background-color:#F3F3F3;
}
.products{
    width: 280px;
    height: 370px;
    background-color: white;
    margin-top: 30px;
    margin-left: 34px;
    float: left;
}
.products>span{
    display: block;
    text-align: center;
}
.products>span>img{
    width: 100%;
    height: 100%;
}
.products>span:nth-child(1){
     width: 100%;
     height: 250px;
}
.products>span:nth-child(2){
    font-size: 1.1em;
    margin-top: 10px;
}
.products>span:nth-child(3){
     font-size: 0.7em;
     color: silver;
    margin-top: 3px;
 }
.products>span:nth-child(4){
    color: #407BEB;
    font-size: 1.1em;
    margin: 20px 0px;
}
.new{
    position: relative;
    width: 50px;
    height: 20px;
    /*border: 1px solid black;*/
    top: -346px;
    right: -185px;
}
.line{
    overflow: hidden;
    width: 96%;
    margin: 0 auto;
}
.footer{
    width: 100%;
    margin-top: 20px;
}
.footer>span>img{
    width: 100%;
}
a{
    text-decoration: none;
    color: black;
}
.logintxt{
    position: fixed;
    width: 400px;
    height: 300px;
    border: 1px solid black;
    background-color: silver;
    top: 160px;
    left: 469px;
    display: none;
}
.logintxt>span{
    display: block;
    height:60px;
    line-height: 60px;
    margin-left: 60px;
    margin-top: 30px;
}
.logintxt>span:nth-child(1){
     height:60px;
     line-height: 60px;
 }
.logintxt>span:nth-child(3){
    height:60px;
    line-height: 60px;
    display: inline-block;
    margin-left: 80px;
}
.logintxt>span:nth-child(4){
    height:60px;
    line-height: 60px;
    display: inline-block;
    margin-left: 100px;
}
.logintxt>span:nth-child(5){
    position: relative;
    top: -291px;
    left: 292px;
    width: 30px;
    text-align: center;
    height: 30px;
    line-height: 30px;
}
.logintxt>span:nth-child(5):hover{
    cursor: pointer;
}